Bigeye thresher vs Silverfish

Alopias pelagicus compared with Ctenolepisma longicaudatum

Key Differences

• Bigeye thresher is Endangered while Silverfish is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Zygentoma (Zygentoma)
Family	Alopiidae	Lepismatidae
Genus	Alopias	Ctenolepisma
Species	Alopias pelagicus	Ctenolepisma longicaudatum

Evolutionary Relationship

Bigeye thresher and Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Silverfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Cyprus, Taiwan), Europe (11 countries), and North America (United States).

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan